but the act was put into force retaliation for a law that was signed by president obama earlier this year, called the u.s. magniski act, which aims to push russian human rights abusers, particularly those who were associated in the death in 2009 of a russian tax lawyer who uncovered a very large tax fraud in russia that was himself arrested then and died while in custody. this is meant to punish those people, to stop them from traveling to the u.s. and freeze their accounts and caused outrage in official circles in russia and searching for several months to try and find an appropriate response. this is what they came up with. >> matthew chance, live in london, thank you very much. >>> up next, best advice from the grichb w the grinch who stole christmas. >>> and firearms training. ali velshi speaks to a teacher taking the course right now. ♪ [ male announcer ] jill and her mouth have lived a great life. but she has some dental issues she's not happy about. so i introduced jill to crest pro-health for life. selected for people over 50. pro-health for life is a toothpaste that defend